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The phosphoric acid in a 100.00-mL sample of cola drink was titrated with 0.1025 M NaOH. The first equivalence point is used to compute the concentration of H3PO4. Let's say the first equivalence point occurred at 13.11 mL. Compute the concentration of phosphoric acid.
98 g of ethylene glycol (C2H6O2) are dissolved in 715 g of water. The freezing point constant (Kf) of water is 0.81°C·kg/mole. Determine the freezing point of the solution. (°C)
If A tank of oxygen gas has a pressure of 3.3 atmospheres at room temperature (25 degrees C). During a fire, it was estimated by the fire department details that the tank temperature rose to 514 degrees Fahrenheit. Find out the pressure of the oxy..
All of the following are factors that affect reaction rate EXCEPT a. density of reactants b. presence of a catalyst
what is the hybridization of the central atom in
Compute the weight percent of Cl in the original sample. Ferrous ammonium sulfate heahydrate 392.13 g/mol, ferrous chloride hexahydrate 234.84 g/mol, and cupferron (155.16 g/mol).
What is the initail pH of this solution of hypobromous acid. What is the pH of the solution at the equivalence point
State the balance equation for the reaction and compute the enthalpy change for this reaction (in kJ/mol) if the temperature of the solution increases from 22.2 degrees C to 44.8 degrees C
A balloon is floating around outside your window. The temperature outside is 21 degrees celsius, and the air pressure is 0.800atm . Your neighbor, who released the balloon, tells you that he filled it with 3.30 moles of gas. What is the volume of ..
what is the purpose of anhydrous cacl2? why it is important that none of the solid cacl2 be included in the final
Data Table: Mass MgO: 2.8045g initial temperature(°C): 24.99°C final temperature(°C): 25.00 °C Calculate the number of moles of MgO used in the reaction. The molar mass of MgO is 56.305 g/mole.
Acetic acid is added to water until the ph reaches. What is the total concentration of the added acetic acid.
What are the equations for Tin (IV) Chloride reacting with each of these? (ethanol, toluene, NaOH, dilute, HCL and conc HCL)
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